KK

Ken Kitamura

CI Crystal Is: 9 patents #12 of 44Top 30%
SO Sony: 8 patents #5,352 of 25,231Top 25%
CC Citizen Watch Co.: 3 patents #353 of 1,225Top 30%
KM Konica Minolta: 1 patents #1,862 of 2,718Top 70%
MC Minolta Co.: 1 patents #942 of 1,416Top 70%
TG The Meet Group: 1 patents #6 of 14Top 45%
Overall (All Time): #180,444 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D1050091 Radio frequency identification tag 2024-11-05
11942569 Methods and packages for enhancing reliability of ultraviolet light-emitting devices Masato Toita, Satoshi Yamada, Craig Moe, Amy Miller 2024-03-26
11656582 Radio wave watch Yoshiyasu Watanabe, Shuji Naka, Akira Kato 2023-05-23
11515455 Photon extraction from ultraviolet light-emitting devices Masato Toita, Hironori Ishii, Yuting Wang, Leo J. Schowalter, Jianfeng Chen +1 more 2022-11-29
11262061 Storage case 2022-03-01
11150612 Portable radio-controlled watch Shuji Naka, Akira Kato, Yohsuke NOMA 2021-10-19
10854797 Photon extraction from ultraviolet light-emitting devices Masato Toita, Hironori Ishii, Yuting Wang, Leo J. Schowalter, Jianfeng Chen +1 more 2020-12-01
10777706 Electrochemical removal of aluminum nitride substrates for electronic and optoelectronic devices Jianfeng Chen, Leo J. Schowalter 2020-09-15
10615786 Comparator circuit, A/D conversion circuit, and display apparatus Takaaki Sugiyama, Masaki Yoshioka, Ken Kikuchi, Masaru Chibashi 2020-04-07
10383963 Ultraviolet light-emitting devices and methods Masato Toita, Jianfeng Chen, Yuxin Li, Yuting Wang, Hironori Ishii 2019-08-20
10347805 Photon extraction from ultraviolet light-emitting devices Masato Toita, Hironori Ishii, Yuting Wang, Leo J. Schowalter, Jianfeng Chen +1 more 2019-07-09
10187048 Comparator circuit, A/D conversion circuit, and display apparatus Takaaki Sugiyama, Masaki Yoshioka, Ken Kikuchi, Masaru Chibashi 2019-01-22
9935247 Photon extraction from ultraviolet light-emitting devices Masato Toita, Hironori Ishii, Yuting Wang, Leo J. Schowalter, Jianfeng Chen +1 more 2018-04-03
9906212 Comparator circuit, comparator circuit control method, A/D conversion circuit, and display apparatus Takaaki Sugiyama, Masaki Yoshioka, Ken Kikuchi 2018-02-27
9608614 Comparator circuit, comparator circuit control method, A/D conversion circuit, and display apparatus Takaaki Sugiyama, Masaki Yoshioka, Ken Kikuchi 2017-03-28
9599968 Satellite radio-controlled wristwatch Akira Kato 2017-03-21
9548431 Ultraviolet light-emitting devices and methods Masato Toita, Jianfeng Chen, Yuxin Li, Yuting Wang, Hironori Ishii 2017-01-17
9293670 Ultraviolet light-emitting devices and methods Masato Toita, Jianfeng Chen, Yuxin Li, Yuting Wang, Hironori Ishii 2016-03-22
8960862 Ink-jet head and ink-jet drawing device including same Mitsuyoshi Miyai, Shinya Matsuda 2015-02-24
8823687 Signal line drive circuit, display device and electronic apparatus Masaki Yoshioka, Yoshimasa Serizawa 2014-09-02
8189320 Capacitative element Motoyasu Yano 2012-05-29
7855720 Digital-to-analog converter and image display device Masaki Yoshioka, Genichiro Oga, Takaaki Sugiyama, Motoyasu Yano 2010-12-21
6936806 Photoelectric conversion device and solid-state image sensing device using the same Yoshinori Hatanaka 2005-08-30